Megalothoraca rosalyae sp. nov., holotype female, CEUA: (30) habitus dorsal; (31) habitus lateral; (32–36) head: (32) frontal; (33) laterofrontal, dorsal region, in detail; (34) lateral; (35) dorsal, ocellar triangle, in detail; (36) dorsal, general view; (37) thorax, dorsal; (38) thorax, lateral; (39) fore femur, posterior view; (40) mid and hind femur, anterior view. Scale bars: 30, 31 = 2.0 mm, 32, 34, 36–40 = 1.0 mm.